[VM/errors] add proper color "coding" in error templates

[github-actions]

[VM/errors] add proper color "coding" in error templates
for example, types could be annotated in a specific way.
pretty much like function names (in calls) are shown in white-bold,
but I'm not even sure this works consistently. So, that has to be
fixed too...

arturo/src/vm/errors.nim

Line 30 in 00e88da

# TODO(VM/errors) add proper color "coding" in error templates

#  labels: error handling, enhancement, open discussion

# TODO(VM/errors) add proper color "coding" in error templates
#  for example, types could be annotated in a specific way.
#  pretty much like function names (in calls) are shown in white-bold,
#  but I'm not even sure this works consistently. So, that has to be
#  fixed too...
#  labels: error handling, enhancement

# TODO(VM/errors) general cleanup needed
#  labels: error handling,cleanup

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